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25 // 25 //
>> 26 // $Id: SteppingAction.cc 73008 2013-08-15 08:43:13Z gcosmo $
26 // 27 //
27 //....oooOO0OOooo........oooOO0OOooo........oo 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
28 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
29 30
30 #include "SteppingAction.hh" 31 #include "SteppingAction.hh"
31 32
32 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh"
>> 34 #include "RunAction.hh"
>> 35 #include "PrimaryGeneratorAction.hh"
33 #include "EventAction.hh" 36 #include "EventAction.hh"
34 37
35 #include "G4Step.hh" 38 #include "G4Step.hh"
36 39
>> 40 #include "G4Geantino.hh"
>> 41
37 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
38 43
39 SteppingAction::SteppingAction(DetectorConstru 44 SteppingAction::SteppingAction(DetectorConstruction* det, EventAction* evt)
40 :G4UserSteppingAction(),detector(det),eventAct 45 :G4UserSteppingAction(),detector(det),eventAct(evt)
41 { 46 {
42 first = true; 47 first = true;
43 lvol_world = lvol_module = lvol_layer = lvol 48 lvol_world = lvol_module = lvol_layer = lvol_fiber = 0;
44 } 49 }
45 50
46 //....oooOO0OOooo........oooOO0OOooo........oo 51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 52
48 SteppingAction::~SteppingAction() 53 SteppingAction::~SteppingAction()
49 {} 54 {}
50 55
51 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 57
53 void SteppingAction::UserSteppingAction(const 58 void SteppingAction::UserSteppingAction(const G4Step* step )
54 { 59 {
55 //some initialisation 60 //some initialisation
56 // 61 //
57 if (first) { 62 if (first) {
58 lvol_world = detector->GetLvolWorld(); 63 lvol_world = detector->GetLvolWorld();
59 lvol_module = detector->GetLvolModule(); 64 lvol_module = detector->GetLvolModule();
60 lvol_layer = detector->GetLvolLayer(); 65 lvol_layer = detector->GetLvolLayer();
61 lvol_fiber = detector->GetLvolFiber(); << 66 lvol_fiber = detector->GetLvolFiber();
>> 67
>> 68 calorThickness = detector->GetCalorThickness();
>> 69 calorSizeYZ = detector->GetCalorSizeYZ();
>> 70 moduleThickness = detector->GetModuleThickness();
>> 71 d1Pixel = detector->GetD1Pixel();
>> 72 d2Pixel = detector->GetD2Pixel();
>> 73 n1pxl = detector->GetN1Pixels();
>> 74 n2pxl = detector->GetN2Pixels();
>> 75 n1shift = detector->GetN1Shift();
>> 76
62 first = false; 77 first = false;
63 } 78 }
>> 79
>> 80 //locate point in geometry
>> 81 //
>> 82 G4TouchableHandle touch1 = step->GetPreStepPoint()->GetTouchableHandle();
>> 83 G4LogicalVolume* lvol = touch1->GetVolume()->GetLogicalVolume();
>> 84
>> 85 //if world, return
>> 86 //
>> 87 if (lvol == lvol_world) return;
64 88
>> 89 //sum nb of radiation length of calorimeter with geantino
>> 90 //
>> 91 G4ParticleDefinition* particle = step->GetTrack()->GetDefinition();
>> 92 if (particle == G4Geantino::Geantino()) {
>> 93 G4double radl = lvol->GetMaterial()->GetRadlen();
>> 94 G4double stepl = step->GetStepLength();
>> 95 eventAct->SumNbRadLength(stepl/radl);
>> 96 }
>> 97
65 //if no edep, return 98 //if no edep, return
66 // 99 //
67 G4double edep = step->GetTotalEnergyDeposit() 100 G4double edep = step->GetTotalEnergyDeposit();
68 ///if (edep == 0.) return; << 101 if (edep == 0.) return;
69 102
70 //locate point in geometry << 103 //locate position and compute pixel number
71 // 104 //
72 G4int iModule = 0; << 105 G4ThreeVector point1 = step->GetPreStepPoint()->GetPosition();
73 G4int iLayer = 0; << 106 G4int i1Module = (int) ((point1.x() + 0.5*calorThickness)/moduleThickness);
74 G4int iFiber = 0; << 107 G4int i1Pixel = (int) ((point1.x() + 0.5*calorThickness)/d1Pixel);
75 << 108 if (i1Pixel < 0 ) i1Pixel = 0;
76 G4TouchableHandle touch1 = step->GetPreStepPo << 109 if (i1Pixel >= n1pxl) i1Pixel = n1pxl - 1;
77 G4LogicalVolume* lvol = touch1->GetVolume()-> << 110 G4double point1yz = point1.y();
>> 111 if (i1Module%2 != 0) point1yz = point1.z();
>> 112 G4int i2Pixel = (int) ((point1yz + 0.5*calorSizeYZ)/d2Pixel);
>> 113 if (i2Pixel < 0 ) i2Pixel = 0;
>> 114 if (i2Pixel >= n2pxl) i2Pixel = n2pxl - 1;
78 115
79 if (lvol == lvol_world) return; << 116 G4int iPixel = i1Pixel*n1shift + i2Pixel;
80 else if (lvol == lvol_module) { iModule = tou << 117
81 else if (lvol == lvol_layer) { iLayer = tou << 118 // sum total energy deposit
82 iModule = tou <<
83 else if (lvol == lvol_fiber) { iFiber = tou <<
84 iLayer = tou <<
85 iModule = tou <<
86 <<
87 // sum edep <<
88 // 119 //
89 eventAct->SumDeStep(iModule, iLayer, iFiber, << 120 eventAct->SumTotalEnergy(iPixel, edep);
>> 121
>> 122 //in fiber ?
>> 123 //
>> 124 if (lvol == lvol_fiber) {
>> 125 eventAct->SumVisibleEnergy(iPixel, edep);
>> 126 }
90 } 127 }
91 128
92 //....oooOO0OOooo........oooOO0OOooo........oo 129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
93 130
94 G4double SteppingAction::BirksAttenuation(cons 131 G4double SteppingAction::BirksAttenuation(const G4Step* aStep)
95 { 132 {
96 //Example of Birk attenuation law in organic 133 //Example of Birk attenuation law in organic scintillators.
97 //adapted from Geant3 PHYS337. See MIN 80 (19 134 //adapted from Geant3 PHYS337. See MIN 80 (1970) 239-244
98 // 135 //
99 const G4Material* material = aStep->GetTrack( << 136 G4Material* material = aStep->GetTrack()->GetMaterial();
100 G4double birk1 = material->GetIonisatio 137 G4double birk1 = material->GetIonisation()->GetBirksConstant();
101 G4double destep = aStep->GetTotalEnergyD 138 G4double destep = aStep->GetTotalEnergyDeposit();
102 G4double stepl = aStep->GetStepLength() 139 G4double stepl = aStep->GetStepLength();
103 G4double charge = aStep->GetTrack()->Get 140 G4double charge = aStep->GetTrack()->GetDefinition()->GetPDGCharge();
104 // 141 //
105 G4double response = destep; 142 G4double response = destep;
106 if (birk1*destep*stepl*charge != 0.) 143 if (birk1*destep*stepl*charge != 0.)
107 { 144 {
108 response = destep/(1. + birk1*destep/step 145 response = destep/(1. + birk1*destep/stepl);
109 } 146 }
110 return response; 147 return response;
111 } 148 }
112 149
113 //....oooOO0OOooo........oooOO0OOooo........oo 150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
114 151
115 152